Thuong Mai Dich Vu Cong Nghe Va Truyen Thong Grantek LTD Address: No 34, 155 Dang Tien Dong Lane, Trung Liet Ward, Dong Da District, Ha Noi City Enterprise code: 0106646361 Phone: 0932222476 Representative: Le Trung Hieu Adress: No 76 Nguyen Luong Bang, Nam Dong Ward, Dong Da District, Ha Noi City Trung Liet Ward, Dong Da District, Ha Noi CityFounding date: 25 - 9 - 2014